red-letter day造句怎么写

Stephen got promoted and engaged to be married yesterday. It was truly a red-letter day for him.

It's been a red-letter day. I aced the math test and made a date with Mary. Besides, Dad gave me an old car!

June 2nd will be a red-letter day for him, he's getting married.

My father said that the day I was born was a red-letter day for him.

It is to popularize firedamp pool actively, change bavin burning a red-letter day, protect silvan natural resources.